package com.wsm.common.config;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * @name: ExecutorConfig
 * @Author: wangshimin
 * @Date: 2020/2/1  20:20
 * @Description:配置线程池
 */

@Configuration
@EnableAsync
public class ExecutorConfig {
    private static final Logger logger = LoggerFactory.getLogger(ExecutorConfig.class);

    /**
     * 配置多线程线程池
     * 使用时方法上加入@Async("asyncServiceExecutor")
     *
     * @return
     */
    @Bean("asyncServiceExecutor")
    public Executor asyncServiceExecutor() {
        logger.info("开启线程池");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(5);
        //配置队列大小
        executor.setQueueCapacity(100);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-service-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }

    /**
     * 配置多线程线程池
     * 使用时方法上加入@Async("asyncSendEmailExecutor")
     *
     * @return
     */
    @Bean("asyncSendEmailExecutor")
    public Executor asyncSendEmailExecutor() {
        logger.info("开启发送邮件线程池");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(5);
        //配置队列大小
        executor.setQueueCapacity(100);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-sendEmail-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }

    /**
     * 配置多线程线程池
     * 使用时方法上加入@Async("asyncSendSMSExecutor")
     *
     * @return
     */
    @Bean("asyncSendSMSExecutor")
    public Executor asyncSendSMSExecutor() {
        logger.info("开启发送验证码短信线程池");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(5);
        //配置队列大小
        executor.setQueueCapacity(100);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-sendSMS-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }

    /**
     * 配置多线程线程池
     * 使用时方法上加入@Async("asyncLinkPostExecutor")
     *
     * @return
     */
    @Bean("asyncLinkPostExecutor")
    public Executor asyncLinkPostExecutor() {
        logger.info("开启链接推广线程池");
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(5);
        //配置最大线程数
        executor.setMaxPoolSize(5);
        //配置队列大小
        executor.setQueueCapacity(100);
        //配置线程池中的线程的名称前缀
        executor.setThreadNamePrefix("async-sendSMS-");
        // rejection-policy：当pool已经达到max size的时候，如何处理新任务
        // CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }
}